CVE-2021-47171

In the Linux kernel, the following vulnerability has been resolved:

net: usb: fix memory leak in smsc75xx_bind

Syzbot reported memory leak in smsc75xx_bind(). The problem was is non-freed memory in case of errors after memory allocation.

backtrace: [] kmalloc include/linux/slab.h:556 [inline] [] kzalloc include/linux/slab.h:686 [inline] [] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728

References

• https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa
• https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f
• https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70
• https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0
• https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b
• https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07
• https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc
• https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17